Storage unit assembly



FIG. 1 is a perspective view from the top left of a storage unitassembly, comprising plural spaced-apart stacked tray modules, with thetop handle extended;

FIG. 2 is a rear perspective view of the storage unit assembly of FIG.1, with the top handle extended;

FIG. 3 is a side perspective view of the storage unit assembly of FIG.1, with the right-side elevational view being a mirror image thereof;and,

FIG. 4 is a top plan view thereof.

The broken lines shown are for illustrative purposes only and form nopart of the claimed design.

The ornamental design for a storage unit assembly, as shown anddescribed.